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Earnings Per Share - Additional Information (Detail) - shares
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Earnings per share [line items]      
Dilutive effect of share options on number of ordinary shares 14,444,802 13,061,376 9,023,439
Woodside Employee Share Plan [member]      
Earnings per share [line items]      
Dilutive effect of share options on number of ordinary shares 14,444,802 13,061,376 9,023,439